Lets look at the info we have:-
18 rows
24 seats per row
Question:-
How many seats in all?
Solve:-
18 × 24 = 432
432 seats in the auditorium
CHECK OUR WORK:-
432 ÷ 18 = 24
We were RIGHT!!!
So, there are 432 seats in the auditorium.
Hope I helped ya!!! xD